27SiMn seamless steel yeeb nkab

Lus piav qhia luv luv:

Cov hlau no muaj cov khoom zoo dua li 30Mn2 steel, siab hardenability, tseem ceeb hardenability txoj kab uas hla ntawm 8 ~ 22mm hauv dej, zoo machinability, nruab nrab txias deformation plasticity thiab weldability;Tsis tas li ntawd, lub zog ntawm cov hlau tsis txo qis ntau thaum kho cua sov, tab sis nws muaj zog heev thiab hnav tsis kam, tshwj xeeb tshaj yog thaum dej quenching;Txawm li cas los xij, cov hlau no yog rhiab rau cov pob dawb, temper brittleness thiab overheating rhiab heev thaum kho cua sov.